import { MessageContent, CompletionResponse } from '../types/index.js';
export declare class ChatService {
    private currentAbortController;
    chat(input: string | MessageContent[], options?: {
        mode?: 'agent' | 'plan' | 'orchestrator';
        provider?: string;
        model?: string;
        stream?: boolean;
    }): Promise<CompletionResponse>;
    stream(input: string | MessageContent[], options?: {
        mode?: 'agent' | 'plan' | 'orchestrator' | 'auto';
        provider?: string;
        model?: string;
    }): AsyncGenerator<import("../types/index.js").StreamChunk, void, unknown>;
    switchModel(newModel: string, newProvider?: string): Promise<void>;
    private getSystemMessage;
    private compressToolResult;
    private executeTools;
    abort(): void;
}
export declare const chatService: ChatService;
//# sourceMappingURL=chat.d.ts.map